Powell 3"" Matte Black Textured Twin/Futon Bunk Bed (G) Textured Matte Black finish Top twin size bed and lower full size futon bed Heavy gauge 3 diameter metal tubing, full-length guardrails, and sturdy welded metal slat system for mattress support Only use a standard twin size mattress which is 74-75" long and 37.5-38.5" wide on the upper bunk (not included) Meets all minimum requirements of ASTM F1427-04 and U.S. CFR Title 16 Part 1513